I can never pick up a thing without wishing to improve it.

A diamond is a piece of coal that stuck to the job

I remember that I was never able to get along at school. I was at the foot of the class.

I do not believe any type of religion should ever be introduced into the public schools of the United States.

Through all the years of experimenting and research, I never once made a discovery. I start where the last man left off... All my work was deductive, and the results I achieved were those of invention pure and simple.

I was at the foot of my class.

Be courageous. I have seen many depressions in business. Always America has emerged from these stronger and more prosperous. Be brave as your fathers before you. Have faith! Go forward!